The activation of blood coagulation can be induced by trauma, sepsis, swelling, obstetric practice and in the program of surgical functions, specially functions using extracorporal blood circulation. Hypercoagulation has also been observed in the course of infusion remedy with big volumes of crystalloid plasma substitutes. Oral contraception and synthetic vessels or cardiac valves may be resources of slight but long term activation of coagulation, at some point exhausting the pool of coagulation BIBS 39 inhibitors and offering rise to thrombotic activities. Thrombotic pathologies are a outcome of an imbalance in the activity of thrombin, a important enzyme of the coagulation cascade, and its normal inhibitors. Overproduction of thrombin may be countered by the 857290-04-1 administration of drugs that particularly inhibit this enzyme. This simplified conception enables for the design and style of new medication by way of the development of organic compounds that are inhibitors for the provided goal-protein. An perfect inhibitor need to be extremely efficient and protected, and it need to have stable pharmacokinetics that are only weakly dependent on the sufferers age, sex, concomitant diseases, medicines and diet.